From: Nicolas Saenz Julienne <nsaenzjulienne@suse.de>
To: srinivas.kandagatla@linaro.org, linux-kernel@vger.kernel.org
Cc: devicetree@vger.kernel.org, tim.gover@raspberrypi.com,
catalin.marinas@arm.com, linux@armlinux.org.uk,
robh+dt@kernel.org, bcm-kernel-feedback-list@broadcom.com,
linux-arm-kernel@lists.infradead.org, will@kernel.org,
phil@raspberrypi.com, linux-rpi-kernel@lists.infradead.org
Subject: Re: [PATCH v3 0/5] Expose RPi4's bootloader configuration
Date: Mon, 25 Jan 2021 22:04:34 +0100 [thread overview]
Message-ID: <cd1a0145d12a70e89eea7aca49533c56ed24753f.camel@suse.de> (raw)
In-Reply-To: <20210112142342.7290-1-nsaenzjulienne@suse.de>
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On Tue, 2021-01-12 at 15:23 +0100, Nicolas Saenz Julienne wrote:
> Soon to be released versions of RPi4's firmware will take of care
> passing their bootloader's configuration[1] to the OS by copying it into
> memory and creating a reserved memory node in the board's DT. By
> modeling this reserved memory node as an nvmem device using
> 'nvmem-rmem', which this series introduces, user-space applications will
> be able to query this information through nvmem's sysfs interface.
>
> An alternative approach, less nice IMO, would be to create a
> platform-specific 'soc' driver.
>
> Regards,
> Nicolas
>
> [1] https://www.raspberrypi.org/documentation/hardware/raspberrypi/bcm2711_bootloader_config.md
>
Applied patches #3 to #5 for next.
Regards,
Nicolas
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WARNING: multiple messages have this Message-ID (diff)
From: Nicolas Saenz Julienne <nsaenzjulienne@suse.de>
To: srinivas.kandagatla@linaro.org, linux-kernel@vger.kernel.org
Cc: devicetree@vger.kernel.org, tim.gover@raspberrypi.com,
catalin.marinas@arm.com, linux@armlinux.org.uk,
robh+dt@kernel.org, bcm-kernel-feedback-list@broadcom.com,
linux-rpi-kernel@lists.infradead.org, will@kernel.org,
phil@raspberrypi.com, linux-arm-kernel@lists.infradead.org
Subject: Re: [PATCH v3 0/5] Expose RPi4's bootloader configuration
Date: Mon, 25 Jan 2021 22:04:34 +0100 [thread overview]
Message-ID: <cd1a0145d12a70e89eea7aca49533c56ed24753f.camel@suse.de> (raw)
In-Reply-To: <20210112142342.7290-1-nsaenzjulienne@suse.de>
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On Tue, 2021-01-12 at 15:23 +0100, Nicolas Saenz Julienne wrote:
> Soon to be released versions of RPi4's firmware will take of care
> passing their bootloader's configuration[1] to the OS by copying it into
> memory and creating a reserved memory node in the board's DT. By
> modeling this reserved memory node as an nvmem device using
> 'nvmem-rmem', which this series introduces, user-space applications will
> be able to query this information through nvmem's sysfs interface.
>
> An alternative approach, less nice IMO, would be to create a
> platform-specific 'soc' driver.
>
> Regards,
> Nicolas
>
> [1] https://www.raspberrypi.org/documentation/hardware/raspberrypi/bcm2711_bootloader_config.md
>
Applied patches #3 to #5 for next.
Regards,
Nicolas
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next prev parent reply other threads:[~2021-01-25 21:10 UTC|newest]
Thread overview: 18+ messages / expand[flat|nested] mbox.gz Atom feed top
2021-01-12 14:23 [PATCH v3 0/5] Expose RPi4's bootloader configuration Nicolas Saenz Julienne
2021-01-12 14:23 ` Nicolas Saenz Julienne
2021-01-12 14:23 ` [PATCH v3 1/5] dt-bindings: nvmem: Add bindings for rmem driver Nicolas Saenz Julienne
2021-01-12 14:23 ` Nicolas Saenz Julienne
2021-01-14 20:17 ` Rob Herring
2021-01-14 20:17 ` Rob Herring
2021-01-12 14:23 ` [PATCH v3 2/5] nvmem: Add driver to expose reserved memory as nvmem Nicolas Saenz Julienne
2021-01-12 14:23 ` Nicolas Saenz Julienne
2021-01-12 14:23 ` [PATCH v3 3/5] ARM: dts: bcm2711: Add reserved memory template to hold firmware configuration Nicolas Saenz Julienne
2021-01-12 14:23 ` Nicolas Saenz Julienne
2021-01-12 14:23 ` [PATCH v3 4/5] arm64: defconfig: Enable nvmem's rmem driver Nicolas Saenz Julienne
2021-01-12 14:23 ` Nicolas Saenz Julienne
2021-01-12 14:23 ` [PATCH v3 5/5] ARM: multi_v7_defconfig: " Nicolas Saenz Julienne
2021-01-12 14:23 ` Nicolas Saenz Julienne
2021-01-18 16:50 ` [PATCH v3 0/5] Expose RPi4's bootloader configuration Srinivas Kandagatla
2021-01-18 16:50 ` Srinivas Kandagatla
2021-01-25 21:04 ` Nicolas Saenz Julienne [this message]
2021-01-25 21:04 ` Nicolas Saenz Julienne
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